CN102436317A

CN102436317A - Touch panel structure and touch display device

Info

Publication number: CN102436317A
Application number: CN2010102900270A
Authority: CN
Inventors: 邓志容; 刘锦璋
Original assignee: LIANSHENG (CHINA) TECHNOLOGY CO LTD; Wintek Corp
Current assignee: LIANSHENG (CHINA) TECHNOLOGY CO LTD; Wintek Corp
Priority date: 2010-09-25
Filing date: 2010-09-25
Publication date: 2012-05-02
Anticipated expiration: 2030-09-25
Also published as: CN102436317B

Abstract

The invention discloses a touch panel structure and a touch display device. The touch panel structure comprises a substrate, a plurality of lines of first electrodes and a plurality of columns of second electrodes, wherein each first electrode and each second electrode are in a triangular shape; the triangle is provided with a bottom side; each line of first electrodes are connected in series by first leads; two lines of adjacent first electrodes are symmetrical in shape; bottom sides of at least two lines of adjacent first electrodes are relatively and symmetrically arranged; each column of second electrodes are connected in series by second leads; two adjacent columns of second electrodes are symmetrical in shape; the bottom sides of at least two adjacent columns of second electrodes are relatively and symmetrically arranged; the second leads of two columns of second electrodes of which the bottom sides are relatively and symmetrically arranged and the first leads of two lines of first electrodes of which the bottom sides are relatively and symmetrically arranged are mutually staggered; and a display is arranged on one surface of the touch panel structure, which is different from the substrate, so that the touch display device is formed.

Description

Touch panel structure provided and touch control display apparatus

Technical field

The present invention relates to a kind of touch panel structure provided and touch control display apparatus; Especially referring to a kind of is triangle with the touch-control electrode design, can effectively reduce the cabling zone, increases induction sensitivity, increases the contact panel resolution, reduce capacitance type touch-control panel structure and touch control display apparatus that drive integrated circult is loaded, can be strengthened operations area.

Background technology

See also a kind of existing capacitance type touch-control panel structural representation shown in Figure 1; Capacitance type touch-control panel 10 is crisscross arranged a plurality of X axial electrodes 11 and a plurality of Y axial electrode 12 on the same one side of a substrate 15; More than 11 of a plurality of X axial electrodes are transversely arranged to be multirow; More than 12 of a plurality of Y axial electrodes vertically are arranged as multiple row; And the shape of X axial electrode 11 and Y axial electrode 12 is set to rhombus, and each row is provided with X electrode cable 13 between a plurality of X axial electrodes 11 and is electrically connected each other, and each is listed as and is provided with Y electrode cable 14 between the plural Y axial electrode 12 and is electrically connected each other; It is isolated each other to avoid short circuit with X electrode cable 13 and Y electrode cable 14 between X electrode cable 13 and Y electrode cable 14, to be provided with the insulation course (not shown); X electrode cable 13 as shown in the figure is a dotted line, and expression X electrode cable 13 is capped on insulation course (not shown) below, and Y electrode cable 14 strides across insulation course for the wire jumper form.

X axial electrode 11 and Y axial electrode 12 by existing rhombus shown in Figure 1 can know that because the restriction of geometric configuration, the X axial electrode 11 of rhombus and Y axial electrode 12 are following relative scope; Institute takes up space bigger, as shown in the figure, and per two X electrode cables 13 need four spacing P; Per two Y electrode cables 14 need four spacing P, and it is big to form the cabling zone, and the sensitivity of can't promotion feeling answering; In addition, existing electrode and lead layout type are write occasion for be applied to high density in the future; For example: when being applied to the electrode requirement is less, precision requirement is high Electronic Paper and writing, its improved space is then arranged, because electrode is more little; Precision needs high more, existing simultaneously layout type, and its formed reservation cable run distance is bigger.

Simultaneously, owing to present electrode lay-out design at the coplanar substrate is main with rhombus or sexangle mostly, but be subject to the restriction of rhombus and hex shape; The resolution of the induction electrode that it produced is low, and for finger or pointer when mobile, can't immediate reaction; And for present electronic installation; For example mobile phone, notebook computer etc., can't be as paper intensive writing words or figure form the obstacle on using.

Summary of the invention

Because the shortcoming of prior art, the present invention proposes a kind of touch panel structure provided and touch control display apparatus, can effectively reduce cable run distance, improve induction sensitivity and resolution, and can reduce the drive integrated circult load.

For achieving the above object, the present invention proposes a kind of touch panel structure provided, and it comprises a substrate; Be provided with a plurality of first electrodes and a plurality of second electrode in this substrate, these a plurality of first electrod-arrays are multirow, and each row has a plurality of first electrodes; A plurality of first electrodes of each row are connected with first lead, and each first electrode is all triangular in shape, and this triangle has a base; The shape symmetry of first electrode of adjacent two row, and wherein the first adjacent electrode of at least two row is symmetrical set with the relative mode in base, and these a plurality of second electrod-arrays are multiple row; Each row has a plurality of second electrodes; A plurality of second electrodes of each row are connected with second lead, and each second electrode is all triangular in shape, and this triangle has a base; The shape symmetry of second electrode of adjacent two row; And wherein the second adjacent electrode of at least two row is symmetrical set with the relative mode in base, and these two row are with second lead of symmetrically arranged second electrode of base relative mode, and are interlaced with first lead of symmetrically arranged first electrode of base relative mode with this two row; And to being less than formation one insulation course between each first lead and second lead, for a plurality of first electrod-arrays and a plurality of second electrod-array for opening circuit each other.

For achieving the above object, the present invention more proposes a kind of touch control display apparatus, and it comprises a touch panel structure provided and display; This touch panel structure provided substrate that comprises is provided with a plurality of first electrodes and a plurality of second electrode on this substrate, these a plurality of first electrod-arrays are multirow; Each row has a plurality of first electrodes, and a plurality of first electrodes of each row are connected with first lead, and each first electrode is all triangular in shape; This triangle has a base, the shape symmetry of first electrode of adjacent two row, and wherein the first adjacent electrode of at least two row is symmetrical set with the relative mode in base; These a plurality of second electrod-arrays are multiple row; Each row has a plurality of second electrodes, and a plurality of second electrodes of each row are connected with second lead, and each second electrode is all triangular in shape; This triangle has a base; The shape symmetry of second electrode of adjacent two row, and wherein the second adjacent electrode of at least two row is symmetrical set with the relative mode in base, and these two row are with second lead of symmetrically arranged second electrode of base relative mode; Interlaced with this two row with first lead of symmetrically arranged first electrode of base relative mode; And to being less than formation one insulation course between each first lead and second lead, for opening circuit each other, this display is located at this touch panel structure provided one side that differs from this substrate for a plurality of first electrod-arrays and a plurality of second electrod-array.

In sum, provided by the invention touch panel structure provided, be triangle with the touch-control electrode design, the cabling zone can be effectively reduced really, increase induction sensitivity, increase the contact panel resolution, reduce the drive integrated circult load, operations area can be strengthened.

For making your juror further understanding and approval arranged for structure purpose of the present invention and effect, now conjunction with figs. specify as after.

Description of drawings

Fig. 1 is the structural representation of existing a kind of capacitance type touch-control panel;

Fig. 2 is the first embodiment of the invention structural representation;

Fig. 3 is the second embodiment of the invention structural representation;

Fig. 4 is the third embodiment of the invention structural representation;

Fig. 5 to Fig. 8 is different contact panel section structure synoptic diagram;

Fig. 9 is the structural representation with display device of contact panel.

Description of reference numerals: prior art: 10-capacitance type touch-control panel; The 11-X axial electrode; The 12-Y axial electrode; The 13-X electrode cable; The 14-Y electrode cable; The 15-substrate; The P-spacing.

20,30, the 40-contact panel the present invention:; 21,31,41-first electrode; 211,311, the base of 411-first electrode; 212,312, the waist limit of 412-first electrode; 22,32,42-second electrode; 221,321, the base of 421-second electrode; 222,322, the waist limit of 422-second electrode; 23,33,43-first lead; 24,34,44-second lead; 25,35,45-substrate; 90A, 90B, 90C, 90D-contact panel section structure; 91A, 91B, 91C, 91D-substrate; 92A, 92B, 92C, 92D-X axial electrode; 93A, 93B, 93C, 93D-Y axial electrode; 94A, 94B, 94C, 94D-insulation course; 95A, 95B, 95C, 95D-metal wire; 96A, 96B, 96C, 96D-protective seam; The 900-display device; The 910-touch control unit; The 920-overlay; The 930-decorative layer; The 940-display; The P-spacing.

Embodiment

Below will describe the present invention for reaching employed technological means of purpose and effect, and the cited embodiment of following accompanying drawing is merely aid illustration, in order to your juror understands, but the technological means of this case is not limited to cited accompanying drawing with reference to accompanying drawing.

See also first embodiment of the invention structural representation shown in Figure 2, contact panel 20 comprises a substrate 25, on substrate 25, is provided with a plurality of first electrodes 21 and a plurality of second electrode, 22, the first electrodes 21 are identical and measure-alike with the shape of second electrode 22.

A plurality of first electrode, 21 arrays are multirow; Each row has a plurality of first electrodes 21, and first electrode, 21 numbers of each row are identical, and each first electrode 21 is by the isosceles triangle of waist limit 212 formations of a base 211 and two equal in length; And the shape of first electrode 21 of adjacent two row symmetry; The base 211 of a plurality of first electrodes 21 of each row is with 23 series connection of first lead, and the length direction of first lead 23 is parallel to base 211, and first lead 23 extends to the root edge of substrate 25.

A plurality of second electrode, 22 arrays are multiple row; Each row has a plurality of second electrodes 22, and second electrode, 22 numbers of each row are identical, and each second electrode 22 is by the isosceles triangle of waist limit 222 formations of a base 221 and two equal in length; And the shape of second electrode 22 of adjacent two row symmetry; The base 221 of a plurality of second electrodes 22 of each row is with 24 series connection of second lead, and the length direction of second lead 24 is parallel to base 221, and second lead 24 extends to the root edge of substrate 25.

Through above-mentioned first electrode 21 and second electrode 22 characteristic triangular in shape; Can cooperate leg-of-mutton geometry arrangement and direction variation design to arrange as shown in Figure 2 at multirow first electrode 21 and multiple row second electrode 22; The shape symmetry of first electrode 21 of adjacent two row; And wherein the first adjacent electrode 21 of at least two row is symmetrical set with base 211 relative modes, simultaneously, and the shape of second electrode 22 of adjacent two row symmetry; And wherein the second adjacent electrode 22 of at least two row is symmetrical set with base 221 relative modes; And two row are interlaced with first lead 23 of symmetrically arranged first electrode 21 of base 211 relative modes with two row with second lead 24 of symmetrically arranged second electrode 22 of base 221 relative modes, and each first lead 23 is the insulation setting with 24 in second lead.

With present embodiment; Base 211 by three first electrodes 21 of first lead, 23 series connection constitutes delegation, is provided with six row, first electrode 21 altogether, simultaneously; Base 221 by three second electrodes 22 of second lead, 24 series connection constitutes row; Be provided with six row, second electrode 22 altogether, the first interlaced lead 23 and second lead 24, it is provided with the insulation course (not shown) in first lead 23; Second lead 24 is striden and is located on the insulation course, and first lead 23 and second lead 24 that therefore can avoid interlocking produce short circuit.

What be worth to stress is; Because first electrode 21 of adjacent two row can base 211 relative modes be symmetrical set; Second electrode 22 of adjacent two row can base 221 relative modes be symmetrical set; Therefore per two first leads 23 only need three spacing P, and per second lead 24 only needs three spacing P, compared to the adjacent two electrode cablings of tradition must four spacings (can with reference to classic diamond shape electrode cabling mode shown in Figure 1); Therefore the present invention is compared to the classic diamond shape electrode lay-out; When the area of first electrode 21 of the present invention and second electrode 22 is equal to the area of classic diamond shape electrode (can with reference to rhombus electrode shown in first figure),, thereby can reduce the area of contact panel spacing relatively because per two first lead 23 of the present invention or second lead 24 all can shared spacing P; And can increase a plurality of first electrodes 21 or second electrode 22 apart from area between will reducing, to increase the sensitivity of contact panel.In addition; Drive pattern can drive (driver) electrode with a behavior with multirow first electrode 21, and the mode of another behavior induction (sensor) electrode is crisscross arranged, and multiple row second electrode 22 drives (driver) electrode with a behavior; The mode of another behavior induction (sensor) electrode is crisscross arranged; Can make the wherein behavior in first electrode 21 that adjacent two row are oppositely arranged with base 211 drive (driver) electrode, another row first electrode 21 is induction (sensor) electrode, in like manner; Adjacent two are listed as wherein behavior driving (driver) electrode in second electrode 22 that is oppositely arranged with base 221; Another row second electrode 22 is induction (sensor) electrode, because adjacent induction (sensor) electrode and driving (driver) have long distance (base 211,221), therefore can increase the sensitivity of induction.

See also second embodiment of the invention structural representation shown in Figure 3; Contact panel 30 comprises a substrate 35; On substrate 35, be provided with multirow first electrode 31 and multiple row second electrode 32; Every row first electrode 31 is with 33 series connection of first lead; Every row second electrode 32 is with 34 series connection of second lead, and each first electrode 31 is by the isosceles triangle of waist limit 312 formations of a base 311 and two equal in length, and each second electrode 32 is by the isosceles triangle of waist limit 322 formations of a base 321 and two equal in length; The shape symmetry of first electrode 31 of adjacent two row; And wherein the first adjacent electrode 31 of at least two row is symmetrical set with base 311 relative modes, the shape symmetry of second electrode 322 of adjacent two row, and wherein the second adjacent electrode 32 of at least two row is symmetrical set with base 321 relative modes; And two row are interlaced with first lead 33 of symmetrically arranged first electrode 31 of base 311 relative modes with two row with second lead 34 of symmetrically arranged second electrode 32 of base 321 relative modes.

A half that is equivalent to classic diamond shape electrode area (can with reference to rhombus electrode shown in Figure 1) when the area of first electrode 31 and second electrode 32; That is; The area of two corresponding triangle first electrodes 31 is equal to a classic diamond shape electrode area; The area of two corresponding triangle second electrodes 32 is equal to a classic diamond shape electrode area; Though present embodiment can make the quantity of the electrode 31 of winning, second electrode 32, first lead 33, second lead 34 increase, and can increase the resolution of contact panel 30.

See also third embodiment of the invention structural representation shown in Figure 4; Contact panel 40 comprises a substrate 45; On substrate 45, be provided with leg-of-mutton first electrode 41 of multirow and leg-of-mutton second electrode 42 of multiple row; Every row first electrode 41 is with 43 series connection of first lead; Every row second electrode 42 is with 44 series connection of second lead, and each first electrode 41 is by the isosceles triangle of waist limit 412 formations of a base 411 and two equal in length, and each second electrode 42 is by the isosceles triangle of waist limit 422 formations of a base 421 and two equal in length; The shape symmetry of first electrode 41 of adjacent two row; And wherein the first adjacent electrode 41 of at least two row is symmetrical set with base 411 relative modes, the shape symmetry of second electrode 422 of adjacent two row, and wherein the second adjacent electrode 42 of at least two row is symmetrical set with base 421 relative modes; And two row are interlaced with first lead 43 of symmetrically arranged first electrode 41 of base 411 relative modes with two row with second lead 44 of symmetrically arranged second electrode 42 of base 421 relative modes.

Present embodiment is except having advantages such as can effectively reducing distance between centers of tracks, increase induction sensitivity; Its characteristics are when keeping the number of traditional electrode and cabling; Present embodiment and Fig. 1 traditional structure are contrasted each other and can know, the present invention be through can reducing the topological design of spacing, and under identical electrode and cabling number; Therefore first electrode 41 of present embodiment and the area of second electrode 42 can improve the operation induction area of contact panel 40 greater than classic diamond shape area electrode.

Mandatory declaration be; In Fig. 2 to Fig. 4 embodiment; First electrode, second electrode, third electrode, the 4th electrode are right angled isosceles triangle, but in addition, can be according to actual required other shape triangles that is designed to; Touch panel structure provided focusing on provided by the invention is triangle with electrode design.In addition; The touch panel structure provided contact panel that is applicable to different kenels provided by the present invention; See also Fig. 5 to Fig. 9 embodiment, contact panel section structure 90A～90D is the A-A of Fig. 2 at the different enforcement aspect synoptic diagram of first electrode 21 with second electrode, 22 intervening portion cross-section structures.

See also contact panel section structure 90A shown in Figure 5, it is formed with cabling 92A, Y axial electrode 93A on a substrate 91A, on cabling 92A, be formed with insulation course 94A; Form metal line 95A on insulation course 94B again; Metal wire 95A is electrically connected the Y axial electrode 93A of cabling 92A both sides, and at Y axial electrode 93A and the top formed protective seam 96A of metal wire 95A, cabling 92A is equivalent to Fig. 2 first lead 23 again; Y axial electrode 93A is equivalent to Fig. 2 second electrode 22; Metal wire 95A is equivalent to Fig. 2 second lead 24, is covered on the cabling 92A through insulation course 94A, can avoid cabling 92A and Y axial electrode 93A to produce short circuit.

See also contact panel section structure 90B shown in Figure 6; It is formed with cabling 92B, Y axial electrode 93B on a substrate 91B; On cabling 92B, Y axial electrode 93B, be formed with insulation course 94B, insulation course 94B covers cabling 92B fully, but part covers Y axial electrode 93B; Form metal line 95B on insulation course 94B again; Because insulation course 94B partly covers Y axial electrode 93B, so metal wire 95B can make the Y axial electrode 93B of cabling 92B both sides be electrically connected, again at the top formed protective seam 96B of metal wire 95B.

See also contact panel section structure 90C shown in Figure 7; It is formed with metal wire 95C on a substrate 91C; On metal wire 95C and substrate 91C, be formed separately an insulation course 94C, insulation course 94C partly covers metal wire 95C, and metal wire 95C both sides are exposed; Shaping cabling 92C, Y axial electrode 93C on metal wire 95C and insulation course 94C again; Because insulation course 94C partly covers metal wire 95C, so the Y axial electrode 93C of cabling 92C both sides can constitute through metal wire 95C and be electrically connected, again at cabling 92C and the top formed protective seam 96C of Y axial electrode 93C.

See also contact panel section structure 90D shown in Figure 8; It is formed with metal wire 95D on a substrate 91D; Shaping one insulation course 94D on metal wire 95D, insulation course 94D partly covers metal wire 95D, and metal wire 95D both sides are exposed; Shaping cabling 92D, Y axial electrode 93D on metal wire 95D and insulation course 94D again; Because insulation course 94D partly covers metal wire 95D, so the Y axial electrode 93D of cabling 92D both sides can constitute through metal wire 95D and be electrically connected, again at cabling 92D and the top formed protective seam 96D of Y axial electrode 93D.

Earlier figures 5 to Fig. 8 substrate 91A～91D can adopt clear glass, colored filter, overlay (Cover Lens), plastic substrate or polaroid.

See also shown in Figure 9; It is a touch control display apparatus 900; Touch control display apparatus 900 has a contact panel; Contact panel comprises an overlay 920, in regular turn and is located in one of overlay 920 a peripheries decorative layer 930 and a touch control unit 910; Be provided with a display 940 in the contact panel bottom again, touch control unit 910 can adopt Fig. 2 to the

contact panel

20,30,40 that is provided with triangular-shaped electrodes provided by the present invention shown in Figure 4, and display 940 can adopt LCD, OLED, electric moistening display or electrophoretic display device (EPD).

Only the above person is merely embodiments of the invention, when can not with the scope implemented of qualification the present invention.The equalization of promptly doing according to claim of the present invention generally changes and modifies, and all should still belong in the scope that patent of the present invention contains, sincerely please your juror's explicit example for reference, and it is accurate to pray favour, is that institute is to praying.

Claims

One kind touch panel structure provided, it is characterized in that, comprise:

One substrate;

A plurality of first electrodes are arranged at this substrate, and these a plurality of first electrod-arrays are multirow; Each row has a plurality of first electrodes; A plurality of first electrodes of each row are connected with first lead, and each first electrode is all triangular in shape, and this triangle has a base; The shape symmetry of first electrode of adjacent two row, and wherein the first adjacent electrode of at least two row is symmetrical set with the relative mode in base;

A plurality of second electrodes are arranged at this substrate, and these a plurality of second electrod-arrays are multiple row; Each row has a plurality of second electrodes; A plurality of second electrodes of each row are connected with second lead, and each second electrode is all triangular in shape, and this triangle has a base; The shape symmetry of second electrode of adjacent two row; And wherein the second adjacent electrode of at least two row is symmetrical set with the relative mode in base, and these two row are with second lead of symmetrically arranged second electrode of base relative mode, and are interlaced with first lead of symmetrically arranged first electrode of base relative mode with this two row; And between each first lead and second lead, form an insulation course at least, this insulation course is used to make many first electrod-arrays and many second electrod-arrays for opening circuit each other.
2. as claimed in claim 1 touch panel structure provided, it is characterized in that this first electrode and second electrode are isosceles triangle, this isoceles triangle shape has the waist limit of a base and two equal in length.
3. as claimed in claim 1 touch panel structure provided, it is characterized in that this first lead is connected in the base of this first electrode, this second lead is connected in the base of this second electrode.
4. as claimed in claim 3 touch panel structure provided, it is characterized in that the length direction of this first lead is parallel to the base of this first electrode, the length direction of this second lead is parallel to the base of this second electrode.
5. as claimed in claim 1 touch panel structure provided, it is characterized in that this first electrode is identical and measure-alike with the shape of this second electrode.
6. as claimed in claim 1 touch panel structure provided; It is characterized in that wherein delegation first electrode of any adjacent two row, first electrode in this multirow first electrode is a drive electrode, another row first electrode is an induction electrode; And; In any adjacent two row, second electrode in this multiple row second electrode, wherein row second electrode is a drive electrode, and another row second electrode is an induction electrode.
7. as claimed in claim 1 touch panel structure provided, it is characterized in that this substrate is clear glass, colored filter, overlay, plastic substrate or polaroid.
8. touch control display apparatus comprises:

An one touch panel structure provided and display;

Wherein, this touch panel structure provided comprising:

One substrate;

A plurality of first electrodes are arranged at this substrate, and these a plurality of first electrod-arrays are multirow; Each row has a plurality of first electrodes; A plurality of first electrodes of each row are connected with first lead, and each first electrode is all triangular in shape, and this triangle has a base; The shape symmetry of first electrode of adjacent two row, and wherein the first adjacent electrode of at least two row is symmetrical set with the relative mode in base;

A plurality of second electrodes are arranged at this substrate, and these a plurality of second electrod-arrays are multiple row; Each row has a plurality of second electrodes; A plurality of second electrodes of each row are connected with second lead, and each second electrode is all triangular in shape, and this triangle has a base; The shape symmetry of second electrode of adjacent two row; And wherein the second adjacent electrode of at least two row is symmetrical set with the relative mode in base, and these two row are with second lead of symmetrically arranged second electrode of base relative mode, and are interlaced with first lead of symmetrically arranged first electrode of base relative mode with this two row; And between each first lead and second lead, form an insulation course at least, for a plurality of first electrod-arrays and a plurality of second electrod-array for opening circuit each other;

This display is located at this touch panel structure provided one side that differs from substrate.
9. as claimed in claim 8 touch panel structure provided, it is characterized in that this substrate is an overlay, and this overlay is provided with a decorative layer at periphery.
10. as claimed in claim 8 touch panel structure provided, it is characterized in that this display is LCD, OLED, electric moistening display or electrophoretic display device (EPD).